Roll for roller-skates.



0. W. EVERETT.

ROLL FOR ROLLER SKATES.

APPLICATION FILED JULY 18,1911.

Patented Mar. 26, 1912.

OTIS W. EVERETT, OF WORCESTER, MASSACHUSETTS.

ROLL FOR ROLLER-SKATES.

Specification of Letters'latent.

Patented Mar. 26. 1912.

Application filed July 18, 1911. Serial No. 839,128.

To all whom it may concern:

Be it known that I, Orrs W. EVERETT, a citizen of the United States,residing at Vorcester, in the county of Worcester and State ofMassachusetts, have invented certain new and useful Improvements inRolls for Roller-Skates, of which the following is a specification.

- My invention relates to a roll or wheel and to a metal roll or wheelparticularly designed for use on roller skates.

ceive one set of balls, which are contained within two .ball cases orcups. The ball cases or cups are made separate from the sides of theroll. One of the'ball cases has an annular lip or flange on its edge,extending at substantially right angles to the body portion, toextendover the annular lip or flange on the other ball case, and holdsaid case in position. One of the sides of the roll has the periphery ortread of the roll integral therewith. The other side extends within saidperiphery or tread. The two ball cases or cups are held and secured inposition between the two sides of the'roll or wheel, as will behereinafter fully described.

Referring to the drawing :-Figure 1 is a side view of a roll of myimproved construction. Fig. 2 is a section, on line 2, 2, Fig. 1,looking in the direction of arrow (1, same figure. Fig. 3 is a side viewof one of the sides of the roll having the tread thereon. Fig. 4 is asection, on line 4, 4, Fig. 3, looking in the direction of arrow b, samefi ure.

Fig. 5 is aside view of the other side 0 the roll. Fig. 6 is a section,on line 6, 6, Fig. 5, looking in the direction of arrow 0, same figure.Fig. 7 is a side view of one of the ball cases or cups. Fig. 8 is asection, on line 8, -8, F ig.7, looking in the direction of arrow (1,same figure. Fig. 9 is a side view of the other ball case or cup, andFig. 10 is a -section,'on line 10, 10, Fig. 9, looking in the directionof arrow e, same figure.

In the accompanyin drawing, 1 is the central shaft or stud o the roll,preferably of metal, and having a central longitudinal opening 1therethrough, see Fig. 1, to receive the axle of the roller skate,=notshown.

The stu'd 1 has in this instance one circumferential groove or recess1", see Fig. 2, in its periphery, to receive in this instance one set ofmetal balls 2. The set of metal balls 2 extend around the stud 1, in therecess 1", and are retained in position by the two ball cases or cups 3and 4.

Theball case or cup '3, see Figs. 7 and 8, has a central opening 3therethr'ough for the stud 1, and on its outer edge has an annular li orflange 3 extending at substantially right angles to the body portion,and made beveled on its edge, as shown in Fig. 8. The other ball case orcup 4 has a central opening 4 therethrough for the stud 1, and theannular lip or flange 4" on the body ortion extends within the lip orflange 3 on the ballcup 3, as shown in Fig. 2. This construction holdsthe two ball cases or cups 3 and 4 in a fixed relative position, and in,proper alinement, and prevents any side mo tion of one ball cup on theother. It is not necessar to fold or bend the annular lip or flange3 onthe ball case 3 over the edge of the annular lip or flange 4 on the ballcase 4, to secure them together.

One side 5 of the roll, shown in Figs. 3 and 4,.has the depressedcentral portion, shown at 5 in Fig. 4, with a central openingtherethrough for one of the ball cups, in this instance the ball cup 3.The side 5 has the annular flange or extension 5 thereon extending atright angles to the beveled side portion, see Fig. 4, and forming thetread of the roll. The opposite edge of the treadportion 5" ispreferably undercut, as shown at 5" in Fig. 4, and the cut inner edge 5pressed inwardly, making a recessed portion. The other side 6 of theroll has the central depressed portion, as shown at 6 in Fig; 6, with acentral opening there'- through, to receive one of the ball cups orcases, in this instance the ball cup 4. The outer edge of the side 6 isbent at substantially right angles to thedepressed portion, asshown'at-G", Fig. 6, and extends within the tread portion 5 on the side5, andin the recessed portion 5" in said tread, as shown in Fig. 2.

After the parts have been assembled, as shown in Fig. 2, they'aresubject to pressure, which presses the two ball cups or cases 3 and 4together, and presses the side 6 within the trend 5' on the side 5. Theedge of the tread 5" is then turned and spun over the outer edge of theside 5, as shown in Fig. 2, to form a rounded edge on the roll, and ,tosecure the side 6 within the tread portion of, the wheel. v

Itwill be understood that the details of construction of my improvementsmay be varied if desired.

Having' thus described my invention, what I claim as new and desire tosecure by Letters Patent is 1. A roll, comprising a central shaft orstud, a set of balls extending around-sa-id stu'd, two ball cases orcups for said balls,

held between the depressed portions of the two sides of the roll, andsaid two sides having depressed portions, and made separate from theball cups, and extending upon opposite sides of the ball cups, andhaving the central opening therein on opposite sides of the ball cups,and one of. said sldes having a tread thereon for the roll, and theother side extending within said tread.

2. A roll, comprising two sides, one side having a tread thereon for theroll, and the other side extending within said tread, and

two ball cases or cups held between said sides.- v

3. A roll, comprising two sides, one side having a tread thereon for theroll, and the other side extending within said tread, and two ball casesor cups held between said sides, one of said cases or cups having acups, and extending upon opposite sides thereof, one of said sideshaving thereon a tread for the roll, and the other side extending withinsaid tread.

a OTIS W. EVERETTQ Witnesses:

JOHN C. DEWEY, M. HAAS.

